Publications by authors named "Jinghua Zheng"
High-entropy alloys are promising candidates expected to be applied in transportation equipment serving in extreme environments due to their excellent properties. CoCrFeMnNi high-entropy alloy is a typical representative of them, and its low temperature performance is excellent. In this study, to evaluate the feasibility of forming HEA shells, the deformation behavior of CoCrFeMnNi under a plane-stress state at lower temperatures was thoroughly studied.
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- A study was conducted in China to create a validated model for assessing the risk of colorectal neoplasia (CN) using a fecal immunochemical test (FIT) due to limited colonoscopy resources.
- The National Colorectal Polyp Care (NCPC) score was developed from eight factors and categorized individuals into low, intermediate, and high-risk levels for CN, guiding recommendations for colonoscopy.
- The model successfully identified a significant proportion of CN and early-onset colorectal cancers, demonstrating its effectiveness in a diverse population, including young individuals and those with nonspecific gastrointestinal symptoms.
Introduction: Although the 9-minute mean withdrawal time (m-WT) is often reported to be associated with the optimal adenoma detection rate (ADR), no randomized trials of screening colonoscopy have confirmed the impact of a 9-minute m-WT on adenoma miss rate (AMR) and ADR.
Methods: A multicenter tandem trial was conducted in 11 centers. Seven hundred thirty-three asymptomatic participants were randomized to receive segmental tandem screening colonoscopy with a 9-minute withdrawal, followed by a 6-minute withdrawal (9-minute-first group, 9MF, n = 366) or vice versa (6-minute-first group, 6MF, n = 367).
Impact of 9-Minute Withdrawal Time on the Adenoma Detection Rate: A Multicenter Randomized Controlled Trial.
Clin Gastroenterol Hepatol
February 2022
Background & Aims: Although current quality indicators of colonoscopy recommend 6 minutes as the minimum standard for withdrawal time (WT), the impact of a WT longer than 6 minutes on neoplasia detection is unclear.
Methods: A multicenter randomized controlled trial involving 1027 patients was conducted from January 2018 to July 2019. Participants were randomly divided into a 9-minute (n = 514) and 6-minute (n = 513) WT group, and a timer was used to adjust the withdrawal speed.